Great Lakes Forecast
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000
FZUS63 KMQT 091358
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
958 AM EDT TUE SEP 9 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.9 INCH TROUGH STRETCHED ACROSS WESTERN LAKE
SUPERIOR WILL DRIFT ACROSS THE REST OF LAKE SUPERIOR THIS AFTERNOON AS
29.6 INCH LOW PRESSURE NEARS FROM THE CENTRAL PLAINS. THE LOW WILL BE
OVER EASTERN IOWA AT 29.4 INCHES AT DAYBREAK WEDNESDAY...AND CONTINUE
TO PUSH NORTHEAST OVER EASTERN UPPER MICHIGAN AND NORTHERN LOWER
MICHIGAN LATE WEDNESDAY AFTERNOON...BEFORE EXITING INTO QUEBEC ON
THURSDAY. LARGE 30.6 INCH HIGH PRESSURE OVER SOUTHERN ALBERTA AND
SASKATCHEWAN THURSDAY WILL SINK ACROSS THE NORTHERN AND CENTRAL
PLAINS...WHILE BUILDING A 30.2 INCH RIDGE ACROSS LAKE SUPERIOR
THURSDAY NIGHT THROUGH SATURDAY.

LSZ162-092200-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
958 AM EDT TUE SEP 9 2014 /858 AM CDT TUE SEP 9 2014/

...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY
MID AFTERNOON. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SHOWERS. WAVES BUILDING TO 8 TO 11 FEET.
.WEDNESDAY...NORTHEAST GALES TO 40 KNOTS. RAIN. WAVES BUILDING TO
12 TO 17 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO 6 TO 9 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ263-092200-
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE
ROYALE NATIONAL PARK-
958 AM EDT TUE SEP 9 2014

...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
WEDNESDAY NIGHT...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING NORTHEAST
BY MID AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS. WAVES CALM
TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SHOWERS. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...NORTHEAST GALES TO 40 KNOTS. RAIN. WAVES BUILDING TO
12 TO 17 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 40 KNOTS. RAIN LIKELY THROUGH
MIDNIGHT...THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
SUBSIDING TO 8 TO 11 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES
SUBSIDING TO 4 TO 7 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.

$$

LSZ264-092200-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
958 AM EDT TUE SEP 9 2014

...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
MORNING...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH
10 TO 20 KNOTS BY MID AFTERNOON. ISOLATED SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SHOWERS. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY...NORTHEAST GALES TO 40 KNOTS. RAIN. WAVES BUILDING TO
12 TO 17 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 45 KNOTS. RAIN THROUGH
MIDNIGHT...THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
SUBSIDING TO 8 TO 11 FEET.
.THURSDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO
4 TO 7 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ265-092200-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
958 AM EDT TUE SEP 9 2014

...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
MORNING...

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY
MID AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS THROUGH MIDNIGHT...THEN SHOWERS AFTER MIDNIGHT.
WAVES BUILDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTHEAST WINDS 15 TO 25 KNOTS INCREASING TO GALES
TO 35 KNOTS BY MID AFTERNOON. RAIN. WAVES BUILDING TO 11 TO
15 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 35 KNOTS. RAIN. WAVES BUILDING
TO 12 TO 17 FEET...THEN SUBSIDING TO 10 TO 14 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING
TO 5 TO 8 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
CALM TO 2 FEET.

$$

LSZ266-092200-
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI
AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER
BEYOND 5NM FROM SHORE-
958 AM EDT TUE SEP 9 2014

...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
MORNING...

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST BY
MID AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS BY MID
AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS THROUGH MIDNIGHT...THEN NUMEROUS SHOWERS AFTER
MIDNIGHT. WAVES BUILDING TO 6 TO 9 FEET.
.WEDNESDAY...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST GALES
TO 35 KNOTS BY MID AFTERNOON. RAIN. WAVES BUILDING TO 11 TO
15 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 40 KNOTS. RAIN. WAVES BUILDING
TO 12 TO 17 FEET...THEN SUBSIDING TO 10 TO 14 FEET.
.THURSDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO
5 TO 8 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ267-092200-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
958 AM EDT TUE SEP 9 2014

...GALE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
MORNING...

.REST OF TODAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS AFTER MIDNIGHT. ISOLATED SHOWERS AND THUNDERSTORMS
THROUGH MIDNIGHT...THEN NUMEROUS SHOWERS AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.WEDNESDAY...EAST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS BY MID AFTERNOON. RAIN. WAVES BUILDING TO 7 TO 10 FEET.
.WEDNESDAY NIGHT...NORTHEAST WINDS 20 TO 30 KNOTS BACKING NORTH
AFTER MIDNIGHT. GALE FORCE GUSTS TO 35 KNOTS POSSIBLE. RAIN THROUGH
MIDNIGHT...THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
BUILDING TO 8 TO 11 FEET...THEN SUBSIDING TO 5 TO 8 FEET.
.THURSDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO NORTHWEST
20 TO 30 KNOTS BY MID AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO 5 TO 8 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.
WAVES CALM TO 2 FEET.

$$
LSZ261-092200-
MAFOR 0915/
SUPERIOR WEST 11400 11110 11120 11130 13146 11156. ISOLATED SHOWERS
AND THUNDERSTORMS THIS AFTERNOON THROUGH THIS EVENING. WAVES 2 FEET
OR LESS THIS AFTERNOON BUILDING TO 6 TO 9 FEET TONIGHT. WAVES
BUILDING TO 10 TO 13 FEET WEDNESDAY MORNING.

SUPERIOR NORTH CENTRAL 11500 11810 11820 11130 11136 12146 11156.
ISOLATED SHOWERS AND THUNDERSTORMS THIS AFTERNOON. SCATTERED SHOWERS
WITH ISOLATED THUNDERSTORMS IN THE EVENING. WAVES 2 FEET OR LESS
THIS AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 6 TO 9 FEET TONIGHT.
WAVES BUILDING TO 10 TO 13 FEET WEDNESDAY MORNING.

SUPERIOR SOUTH CENTRAL 11410 11300 12210 11120 11126 11136 11146.
SCATTERED SHOWERS IN THE EVENING WITH ISOLATED THUNDERSTORMS.
WAVES CALM TO 4 FEET THIS AFTERNOON AND TONIGHT...BUILDING TO 5 TO 8
FEET WEDNESDAY MORNING.

SUPERIOR EAST 11410 11400 11300 12310 11210 11226 11236. SCATTERED
SHOWERS WITH ISOLATED THUNDERSTORMS TONIGHT. WAVES CALM TO 4 FEET.

$$

KEC





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